14. The perimeter of the square below is 48 centimeters. Find the area of the shaded
region. Use 3.14 for pi.
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Researchers were interested in whether relaxation training decreases the number of headaches a person experiences. they randomly assigned 20 participants to a control group or a relaxation training group and noted the change in number of headaches each group reported from the week before training to the week after training. which statistical analysis should be performed to answer the researchers' question?

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.

Write 37/22 as a decimal rounded to the nearest hundredth.